How Much Money Would You Save Per Hour by Replacing

question 64

Multiple Choice

How much money would you save per hour by replacing a 100-watt incandescent light bulb with an equally bright 20-watt fluorescent bulb? Assume the cost for electricity to be 15 cents per kilowatt-hour.

• A)1.5 cents per hour
• B)1.2 cents per hour
• C)0.3 cent per hour
• D)It's not possible to save only a fraction of a cent.

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Definitions:

Life

The condition that distinguishes animals and plants from inorganic matter, including the capacity for growth, reproduction, functional activity, and continual change preceding death.

Circulatory System

The body system that circulates blood throughout the body, delivers nutrients and oxygen to cells, and removes waste products, encompassing the heart, blood vessels, and blood.

Polar Bears

Polar bears are large, carnivorous bears found primarily in the Arctic region, well adapted to cold temperatures with their thick fur and fat layers.

Organ System

In multicelled organisms, set of interacting organs that carry out a particular body function.